Abstract
In this paper, we construct some $H(curl^2)$-conforming finite elements on a rectangle (a parallelogram) and a triangle. The proposed elements possess some nice properties which have been proved by a rigorous theoretical analysis. Then we apply our new elements to construct a finite element space for discretizing the quad-curl problem. Convergence orders $O(h^k)$ in the $H$(curl) norm and $O(h^k-1)$ in the $H(curl^2)$ norm are established. Numerical experiments are provided to confirm the theoretical results.
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